Demon Beast of the Moon

When Demon Beast of the Moon Enters the battlefield put three charge counters on it
Black creatures get +1/+1 for each charge Counter on Demon Beast of the Moon
White creatures get -1/-1 for each charge counter on Demon Beast of the Moon
{t}:Remove a charge counter from Demon Beast of the Moon and pay X life where X is half the total mana cost of target card in your hand rounded up then cast that card for free